Science Topics term usage 2008-01-07

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

76	river systems
57	volcanoes
54	earthquakes
46	geographic information systems (GIS)
20	mineralogy
19	earth structure
19	climate change
18	acid deposition
16	contamination and pollution
16	floods
15	earthquake occurrences
13	human impacts
13	sediment transport
13	tectonic processes
12	animals
12	endangered species
10	rocks and deposits
10	earth characteristics
10	USGS Quadrangles
9	streamflow
9	plants (organisms)
9	tsunamis
9	real-time monitoring and reporting
8	fires
8	energy resources
8	producers (organisms)
8	topics
8	mantle (earth)
8	outer core (earth)
8	lithostratigraphy
8	health and disease
7	global warming
7	ground water
7	ground-water flow
7	ocean processes
7	hurricanes
7	ecosystems
7	maps and atlases
7	wildlife
7	cartography

Science Topics term usage Monday, 2008-01-07